/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.compatibility.transport.jms;

import org.mule.runtime.core.api.config.ExceptionReader;

import java.util.HashMap;
import java.util.Map;

import javax.jms.JMSException;

/**
 * This reader will ensure that the LinkedException and JMS code is not lost when printing the JMSException.
 */
public class JmsExceptionReader implements ExceptionReader {

  @Override
  public String getMessage(Throwable t) {
    JMSException e = (JMSException) t;
    return e.getMessage() + "(JMS Code: " + e.getErrorCode() + ")";
  }

  @Override
  public Throwable getCause(Throwable t) {
    JMSException e = (JMSException) t;
    Throwable cause = e.getLinkedException();
    if (cause == null) {
      cause = e.getCause();
    }
    return cause;
  }

  @Override
  public Class<?> getExceptionType() {
    return JMSException.class;
  }

  /**
   * Returns a map of the non-stanard information stored on the exception
   * 
   * @return a map of the non-stanard information stored on the exception
   */
  @Override
  public Map<?, ?> getInfo(Throwable t) {
    JMSException e = (JMSException) t;
    Map<String, Object> info = new HashMap<String, Object>();
    info.put("JMS Code", e.getErrorCode());
    return info;
  }

}
